2000 ranger 3.0 v6 - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 03-19-2016
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2000 ranger 3.0 v6

Well I just did a compression test and the average pis was 120 so still above the minimum of 100 PSI according to Haynes...except cylinder No. 5 which gave a 20 psi reading....she doesn't burn a drop of oil or make any sounds that would cause alarm and doesn't burn any oil. Am i safe to assume I have most likely a head issue as far as a bad valve?
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Old 03-19-2016
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Burnt exhaust valve
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Old 03-20-2016
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Thanks for you help Uksparky
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Old 03-28-2016
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I have the same problem except it's no compression on cylinder 5. [IMG][/IMG]
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Old 03-28-2016
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After removing the heads on mine I discovered a burned intake valve on my weak cylinder...with a damaged and burnt valve seat and seat insert into the head.I pretty much knew that was the problem after seeing how far the valve was sitting so deep into the seat insert on the head.
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